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The Atelier · Certificates

Certificates and test reports for the fabrics we work with

Five documents, each with a holder, a number, a date and a limit. If we could not check it, it is not on this page.

Checked by

The Pattern Engineer of Detroit · · Updated

The quick answer

The fabrics we work with are backed by one OEKO-TEX Standard 100 certificate, number 03.T.3239, held by the fabric mill in product class I, and by four third-party lab reports on specific fabrics. None is issued to the atelier, and none covers a finished cushion. You can check the OEKO-TEX number yourself on Label Check at oeko-tex.com.

Whose document is it?

Most certificate pages in this trade are a row of logos. A logo is a picture. A certificate is a document with a holder, a number, a scope and a date, and anyone can check it without taking a seller's word for it.

Buyers ask us exactly this. One wanted the certificate number and the standard behind it. Another asked whether it covered the exact fabric on the order or only the shop in general. Those are the right questions, partner.

So here is how this page works. The OEKO-TEX certificate belongs to the mill that weaves the fabric, not to the atelier and not to a finished cushion. Each test report describes one fabric sample, tested on stated dates by a third-party lab. Where a document has a limit, the limit sits right next to the result.

The documents

5 documents, each with its holder, number, scope and date.

  1. CertificateNo. 03.T.3239

    OEKO-TEX Standard 100 · certificate 03.T.3239

    Holder
    The fabric mill that weaves the upholstery and bed-textile fabrics we work with
    Number
    03.T.3239
    Standard
    OEKO-TEX Standard 100, Annex 6, the stricter of the two criteria catalogs
    Product class
    I, for items for babies and toddlers up to 36 months, the strictest of four classes
    Scope
    Woven and knitted fabrics for upholstery and bed textiles: cotton, viscose, polyester, polypropylene, linen and blends, and knitted velour
    Validity
    One year; an on-time renewal keeps the same number
    Checked
    Listed as valid on OEKO-TEX Label Check, September 2026

    What it meansThe certified fabrics were tested against a list of more than 1,000 regulated and unregulated harmful substances, to the limits of class I.

    What it does not meanIt is not a quality label. It says nothing about wear, cleaning or burning behavior, and it does not certify a finished cushion, its foam or its zipper.

    Enter 03.T.3239 on OEKO-TEX Label Check (opens in a new tab)

  2. Test reportNo. 24020722-ADD

    Cigarette and match test · cream faux-leather panel fabric, untreated

    Lab
    An accredited textile lab (ISO/IEC 17025)
    Report number
    24020722-ADD
    Tested
    August 16–28, 2024
    Sample
    A cream faux-leather panel fabric for home textiles, tested as received, with no flame-retardant treatment
    Standard
    BS 5852 Part 1: smoldering cigarette (ignition source 0) and butane flame equal to a match (ignition source 1), over a standard non-flame-retardant test foam of 20–22 kg/m³ (1.25–1.37 lb/ft³)
    Result
    Passed both the cigarette and the match test. Abrasion: no wear at 100,000 Martindale cycles.

    What it meansThis cover fabric resisted a smoldering cigarette and a small flame without any added flame-retardant finish.

    What it does not meanThe result belongs to the sample tested. It is not a fire rating for a finished cushion, and it says nothing about the foam inside one.

  3. Test reportNo. 2400010711

    Cigarette and match test · PVC-rich cream fabric, soaked first

    Lab
    An accredited textile lab (ISO/IEC 17025)
    Report number
    2400010711
    Tested
    December 6–25, 2024; issued December 25, 2024
    Sample
    A PVC-rich cream fabric with a flame-retardant finish, water-soaked under BS 5651 before testing, so a finish that washes out would show
    Standard
    BS 5852 Part 1 cigarette and match tests over the same kind of standard non-flame-retardant test foam
    Result
    Passed both tests after soaking. Abrasion: no wear at 300,000 Martindale cycles. Light fastness 6 on the 1–8 blue wool scale.

    What it meansA treated cover fabric that kept its result after the water soak, and one of the toughest weaves in this register.

    What it does not meanOne sample, one set of dates. A treated cover does not change the filling, and a buyer who wants no added finish should look at the untreated fabric above.

  4. Test reportNo. 2023-1662

    Abrasion and pilling test · heavy upholstery weave

    Lab
    An accredited textile lab (ISO/IEC 17025)
    Report number
    2023-1662
    Tested
    July 20, 2023
    Sample
    A 590 g/m² (17.4 oz/yd²) upholstery weave: 91% polyester, 5% acrylic, 3% cotton, 1% linen
    Result
    Martindale abrasion averaging 99,000 cycles at 12 kPa, from runs of 97,000, 100,000 and 100,000. Pilling grade 5, meaning no pilling, from 125 to 7,000 cycles.

    What it meansHeavy-duty abrasion for a daily bench or banquette, with no bobbles in the pilling test.

    What it does not meanA high rub count does not predict fading, claw damage or stains, and the result covers this weave only.

  5. Test reportNo. TR2591549-RV1

    Snag test · beige upholstery weave

    Lab
    An international testing and inspection lab
    Report number
    TR2591549-RV1
    Tested
    December 26–30, 2024; issued January 2, 2025
    Sample
    A beige upholstery weave
    Result
    ASTM D3939 mace test, 600 revolutions: grade 4–5 in both directions. BS 8479, 2,000 revolutions: 5 out of 5, no visible defects.

    What it meansVery few pulled loops after a spiked ball tumbled over the fabric, a fair stand-in for claws, buckles and jeans rivets.

    What it does not meanNo official pet-friendly standard exists, the report set no pass mark, and no fabric stands up to every claw.

How to verify any certificate in two minutes

  1. Ask for the number, not the logo

    An OEKO-TEX Standard 100 number looks like 03.T.3239. A lab report carries a report number, a lab name and test dates. A badge with none of these is decoration.

  2. Use the issuer's own checker

    For OEKO-TEX, type the number exactly into Label Check on oeko-tex.com. For a lab report, look the lab up with the body that accredits it.

  3. Read the holder and the scope

    The result names the holder and the items covered. Your fabric has to fit inside that scope.

  4. Check the dates

    OEKO-TEX certificates run one year and renew under the same number. Lab reports never expire, but each describes one sample on stated dates.

  5. Read the limits line

    An honest report says its results relate to the sample tested. If a seller stretches one sample into a promise about everything, ask for the document.

The US rules, in plain words

Indoor upholstered seating sold in the US, loose seat cushions included, falls under the federal flammability standard 16 CFR 1640, in force since June 25, 2021. It adopted the smolder tests of California's TB 117-2013, which checks cover fabric, barrier and filling against a smoldering cigarette and can be met without added flame-retardant chemicals. Outdoor cushions and decorative throw pillows not meant for sitting fall outside it. The glossary has both: 16 CFR 1640 and TB 117-2013.

California's Proposition 65 asks for a warning when a product can expose people to a listed chemical above a set level. A warning is a disclosure, not a test result, and a missing warning is not a safety certificate either.

The BS 5852 reports above are British tests: useful evidence about a fabric, not a US label for a finished cushion. More in TB 117-2013 and US fire rules, what a Prop 65 warning means and OEKO-TEX on a cushion.

What you won't find here

  • Foam documents. We list a paper only after we have seen it with a holder, a number and a date, and no foam document has met that bar yet.
  • Logos without a number, a holder and a date.
  • Words that promise zero risk. No certificate can prove them, so we don't print them.
  • Supplier spec sheets dressed up as lab results.

An OEKO-TEX certificate is valid for one year and names one holder. Type its number into the issuer's Label Check before trusting a logo on a cushion.

Nate
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Buyer questions

  1. A common question

    What is your OEKO-TEX certificate number, and under which standard?

    The workshop's answer

    The fabric comes from a mill certified under OEKO-TEX Standard 100. The certificate number is shared on request and can be checked on the official OEKO-TEX site, which lists the manufacturer, the scope and the validity.

    Read the answer: Is the Sofa Fabric OEKO-TEX Certified? Flame Retardants, Answered

  2. A common question

    What foam do you use, and what's the ILD?

    The workshop's answer

    The base is 32 DNS high-density foam, medium-firm and resistant to sagging, and some products use HR cold foam. ILD varies slightly by batch; the workshop describes the feel as close to high-end cold foam.

    Read the answer: Cushion Foam Certification: OEKO-TEX, Paperwork, What to Ask

Questions people ask

Is the atelier itself OEKO-TEX certified?

No. Certificate 03.T.3239 is held by the fabric mill and covers the fabrics it makes within the stated scope. That is why we write "fabrics from a mill certified to OEKO-TEX Standard 100 (03.T.3239)" and never call a finished cushion certified.

Does an OEKO-TEX label mean a fabric resists fire?

No. Standard 100 tests for harmful substances only and says nothing about burning behavior, wear or cleaning. How a fabric behaves near a cigarette or a small flame is shown by separate tests such as BS 5852, for the specific sample tested.

What does product class I mean on an OEKO-TEX certificate?

OEKO-TEX sorts items into four classes. Class I, for babies and toddlers up to 36 months, has the strictest limits. Upholstery fabrics normally sit in class IV, so a class I fabric was held to stricter limits than its use requires.

Why does a lab report never expire when a certificate does?

A certificate speaks for ongoing production, so OEKO-TEX renews it every year. A lab report records what one sample did on stated dates. It never expires, and it never speaks for a different roll or a different fabric either.

± 1/4 in — Nate